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排序方式: 共有337条查询结果,搜索用时 15 毫秒
81.
M. Bonnefoy H. Abidi M. Jauffret I. Garcia J. -P. Surrace J. Drai 《La Revue de médecine interne / fondée ... par la Société nationale francaise de médecine interne》2002,23(12):254-998
PURPOSE: Hypocholesterolemia is a common finding in hospitalized elderly people and is associated with increased mortality. Changes in plasma lipid levels are well known in the acute phase response. It has also been suggested that malnutrition is a cause of hypocholesterolemia. However, malnutrition is the reflect of general condition, and the respective roles of malnutrition and inflammation have not yet been clearly established. This research project was undertaken to examine the impact of nutritional and inflammatory status on the hypocholesterolemia. METHODS: In a prospective study, 597 elderly patients (83 +/- 7 years) consecutively admitted in a geriatric acute care unit were included. Clinical and anthropometric data: Body Mass Index (BMI), Tricipital Skinfold Thickness (TSF), Sub-Scapular Skinfold Thickness (SSF), Mid Arm Circumference (MAC) have been collected. The blood samples were obtained within the 72 hours following the admission. Nutritional proteins (albumin, prealbumin, transferrin, retinol binding protein); inflammatory proteins (CRP, alpha-1 acid glycoprotein), and blood lipids (cholesterol, LDL, HDL cholesterol, triglycerides, apoproteins A1 and B) were dosed. RESULTS: The anthropometric and biologic parameters have been compared on the two sexes, significant differences were observed only for blood lipids. The analyses are thus realized and presented by sex separately. Four groups of patients are generated according to the quartile of total cholesterol. Means and standard deviation for all factors are calculated within each group. Both, the trend of means and analyses of correlation show associations with cholesterol in the two sexes. The analysis of variance showed that the cholesterolemia is associated with 1/ decrease in the values of the anthropometrics, and nutritional proteins and 2/ upward trends of the inflammatory parameters. Significant correlations were observed for all transport proteins and CRP with total cholesterol in men and women. The multiple linear regression of the total cholesterol retained albumin, APO A1, APO B and RBP as predictor factors of cholesterolemia for women and APO A1, APO B and tryglicerid for men. When patients with infectious diseases were compared to the others, significant differences have been observed for total cholesterol and all blood lipids, as well as for nutritional and inflammatory proteins. CONCLUSION: The results confirm an association between nutritional status and hypocholesterolemia, and suggest also the responsability of inflammation as a cause of hypocholesterolemia. 相似文献
82.
Transforming growth factor‐β released by apoptotic white blood cells during red blood cell storage promotes transfusion‐induced alloimmunomodulation
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83.
Functional CD40 ligand is expressed on human vascular endothelial cells, smooth muscle cells, and macrophages: Implications for CD40–CD40 ligand signaling in atherosclerosis
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Franois Mach Uwe Schnbeck Galina K. Sukhova Todd Bourcier Jean-Yves Bonnefoy Jordan S. Pober Peter Libby 《Proceedings of the National Academy of Sciences of the United States of America》1997,94(5):1931-1936
Increasing evidence supports involvement of inflammation and immunity in atherogenesis. We report here that CD40 ligand (CD40L), an immunoregulatory signaling molecule heretofore considered largely restricted to recently activated CD4+ T lymphocytes, is expressed by human vascular endothelial cells (EC), smooth muscle cells (SMC), and human macrophages in vitro, and is coexpressed with its receptor CD40 on all three cells types in human atherosclerotic lesions in situ. Cultured human vascular EC, SMC, and human macrophages all constitutively expressed CD40L mRNA as well as protein. Stimulation with interleukin 1β, tumor necrosis factor α, or interferon γ increased surface levels and de novo synthesis of CD40L on all three cell types. CD40L expressed on EC, SMC, and macrophages exhibited biological activity, as it induced B7.2 expression on B cells. Human vascular SMC also constitutively expressed CD40, the receptor for CD40L, and through CD40 signaling, human recombinant CD40L induced expression of proinflammatory cytokines in these cells, identifying SMC as a target for CD40L. Human atherosclerotic lesions (n = 8) showed expression of immunoreactive CD40L on EC, SMC, and macrophages, while normal arterial tissues (n = 5) contained no CD40L. In atheroma CD40L+ cells often also expressed CD40. These observations establish human vascular EC, SMC, and human macrophages as a novel source of CD40L, and point to T cell-independent CD40 signaling, and a broader function of this pathway in regulation of nonimmune cells, as illustrated here by potential autocrine and paracrine activation during atherogenesis. 相似文献
84.
L Bonnefoy L Chapoutot D Metz J M Laudinat J Doucet T Gandon R Guérin A Bajolet 《Annales de cardiologie et d'angeiologie》1989,38(3):147-149
The authors report the case of a congenital interventricular communication discovered in a 75 year-old female patient. The shunt was identified on the cardiac Doppler and confirmed by catheterization. It was a type IIa interventricular communication which decompensated in the course of a pulmonary embolism. This case points out how rare is the diagnosis of congenital interventricular communication made during adulthood, and emphasizes the advantage of the Doppler in the diagnosis of ventricular shunts. 相似文献
85.
86.
Carmoi T Bordier L Bonnefoy S Callot D Lecoules S Algayres JP 《La Revue de médecine interne / fondée ... par la Société nationale francaise de médecine interne》2009,30(4):355-357
G6PD deficiency is very frequent with almost 400 millions of patients worldwide in Asia, Africa and Mediterranean. G6PD deficiency is involved in mild or severe haemolysis and the precipitating factor is usually a drug. More than 100 drugs have been implicated and fluoroquinolones are one of the more classic. However, the literature review shows that only a few observations have been clearly documented. 相似文献
87.
88.
Niemann H Bonnefoy X Braubach M Hecht K Maschke C Rodrigues C Röbbel N 《Noise & health》2006,8(31):63-79
Traffic noise (road noise, railway noise, aircraft noise, noise of parking cars), is the most dominant source of annoyance in the living environment of many European countries. This is followed by neighbourhood noise (neighbouring apartments, staircase and noise within the apartment). The subjective experience of noise stress can, through central nervous processes, lead to an inadequate neuro-endocrine reaction and finally lead to regulatory diseases. Within the context of the LARES-survey (Large Analysis and Review of European housing and health Status), noise annoyance in the housing environment was collected and evaluated in connection with medically diagnosed illnesses. Adults who indicated chronically severe annoyance by neighbourhood noise were found to have an increased health risk for the cardiovascular system and the movement apparatus, as well as an increased risk of depression and migraine. Furthermore adults with chronically strong annoyance by traffic noise additionally showed an increased risk for respiratory health problems. With regards to older people both neighbourhood and traffic noise indicated in general a lower risk of noise annoyance induced illness than in adults. It can be assumed that the effect of noise-induced annoyance in older people is concealed by physical consequences of age (with a strong increase of illnesses). With children the effects of noise-induced annoyance from traffic, as well as neighbourhood noise, are evident in the respiratory system. The increased risk of illness in the respiratory system in children does not seem to be caused primarily by air pollutants, but rather, as the results for neighbourhood noise demonstrate, by emotional stress. 相似文献
89.
90.
Bonnefoy JY 《Expert opinion on therapeutic targets》2004,8(6):521-525
Cancer vaccines - a dream or a reality? There is no doubt that a time will come when this new approach to cancer treatment will provide opportunities that will be both complementary and synergistic with existing treatments. Novelty is often linked to risk, and if there is a given medical field that desperately needs therapeutic improvement, cancer is it. Recent advances on the understanding of the functioning and manipulation of the immune system and on the host-tumour relationship, and on tumour escape, will soon pay off. However, the development of cancer vaccines is not an easy undertaking and the multitude of obstacles are presented and reviewed in this article. The cancer vaccine 'detractors' that are arguing negatively on the chances of success are, to this date, correct. Nevertheless, a parallel could be drawn from the monoclonal antibodies, which have suffered from a long and difficult history, to hold promise in man. Recent technological progress has once again demonstrated that one can eventually bypass the commonly accepted barriers, as there are now monoclonal-based products currently helping patients. The entire oncology community is eagerly awaiting the next chapter in the cancer vaccine story. 相似文献